3401021 has 8 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 3126960.

The previous prime is 3401017. The next prime is 3401039. The reversal of 3401021 is 1201043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3401021 - 2² = 3401017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400993 and 3401011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^3401021 is an apocalyptic number.

It is an amenable number.

3401021 is a deficient number, since it is larger than the sum of its proper divisors (276163).

3401021 is a wasteful number, since it uses less digits than its factorization.

3401021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3401021 is about 1844.1857281738. The cubic root of 3401021 is about 150.3845098022.

Adding to 3401021 its reverse (1201043), we get a palindrome (4602064).

The spelling of 3401021 in words is "three million, four hundred one thousand, twenty-one".